package main

import (
	// "os"
	"fmt"
)

func main() {
	sum := 108
	num := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89}
	for index, value := range num {
		nums := []int{}
		if len(num) > index {
			nums = num[index+1:]
		} else {
			return
		}

		flag, result := subv(sum, nums, value, index)
		if flag {
			fmt.Println(result)
		}
	}

}

func subv(sum int, num []int, val int, index int) (bool, []int) {

	now := (sum - val)
	result := []int{val}
	if now == 0 {
		return true, result
	} else if now > 0 {
		for index, value := range num {
			nums := []int{}
			if len(num) > index {
				nums = num[index+1:]
			} else {
				return false, nil
			}
			flag, result := subv(now, nums, value, index)
			if flag == true {
				result = append(result, val)
			} else {
				// return false, nil
			}
		}
		return true, result
	}
	return false, nil

}
